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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#ifndef __G_OUTPUT_STREAM_H__
#define __G_OUTPUT_STREAM_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_OUTPUT_STREAM (g_output_stream_get_type ())
#define G_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_OUTPUT_STREAM, GOutputStream))
#define G_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
#define G_IS_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_OUTPUT_STREAM))
#define G_IS_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_OUTPUT_STREAM))
#define G_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
/**
* GOutputStream:
*
* Base class for writing output.
*
* All classes derived from GOutputStream should implement synchronous
* writing, splicing, flushing and closing streams, but may implement
* asynchronous versions.
**/
typedef struct _GOutputStreamClass GOutputStreamClass;
typedef struct _GOutputStreamPrivate GOutputStreamPrivate;
struct _GOutputStream
{
GObject parent_instance;
/*< private >*/
GOutputStreamPrivate *priv;
};
struct _GOutputStreamClass
{
GObjectClass parent_class;
/* Sync ops: */
gssize (* write_fn) (GOutputStream *stream,
const void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
gssize (* splice) (GOutputStream *stream,
GInputStream *source,
GOutputStreamSpliceFlags flags,
GCancellable *cancellable,
GError **error);
gboolean (* flush) (GOutputStream *stream,
GCancellable *cancellable,
GError **error);
gboolean (* close_fn) (GOutputStream *stream,
GCancellable *cancellable,
GError **error);
/* Async ops: (optional in derived classes) */
void (* write_async) (GOutputStream *stream,
const void *buffer,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize (* write_finish) (GOutputStream *stream,
GAsyncResult *result,
GError **error);
void (* splice_async) (GOutputStream *stream,
GInputStream *source,
GOutputStreamSpliceFlags flags,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize (* splice_finish) (GOutputStream *stream,
GAsyncResult *result,
GError **error);
void (* flush_async) (GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* flush_finish) (GOutputStream *stream,
GAsyncResult *result,
GError **error);
void (* close_async) (GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* close_finish) (GOutputStream *stream,
GAsyncResult *result,
GError **error);
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
void (*_g_reserved6) (void);
void (*_g_reserved7) (void);
void (*_g_reserved8) (void);
};
GLIB_AVAILABLE_IN_ALL
GType g_output_stream_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_ALL
gssize g_output_stream_write (GOutputStream *stream,
const void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_write_all (GOutputStream *stream,
const void *buffer,
gsize count,
gsize *bytes_written,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_2_40
gboolean g_output_stream_printf (GOutputStream *stream,
gsize *bytes_written,
GCancellable *cancellable,
GError **error,
const gchar *format,
...) G_GNUC_PRINTF (5, 6);
GLIB_AVAILABLE_IN_2_40
gboolean g_output_stream_vprintf (GOutputStream *stream,
gsize *bytes_written,
GCancellable *cancellable,
GError **error,
const gchar *format,
va_list args) G_GNUC_PRINTF (5, 0);
GLIB_AVAILABLE_IN_2_34
gssize g_output_stream_write_bytes (GOutputStream *stream,
GBytes *bytes,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
gssize g_output_stream_splice (GOutputStream *stream,
GInputStream *source,
GOutputStreamSpliceFlags flags,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_flush (GOutputStream *stream,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_close (GOutputStream *stream,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_ALL
void g_output_stream_write_async (GOutputStream *stream,
const void *buffer,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
gssize g_output_stream_write_finish (GOutputStream *stream,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_2_44
void g_output_stream_write_all_async (GOutputStream *stream,
const void *buffer,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_2_44
gboolean g_output_stream_write_all_finish (GOutputStream *stream,
GAsyncResult *result,
gsize *bytes_written,
GError **error);
GLIB_AVAILABLE_IN_2_34
void g_output_stream_write_bytes_async (GOutputStream *stream,
GBytes *bytes,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_2_34
gssize g_output_stream_write_bytes_finish (GOutputStream *stream,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_ALL
void g_output_stream_splice_async (GOutputStream *stream,
GInputStream *source,
GOutputStreamSpliceFlags flags,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
gssize g_output_stream_splice_finish (GOutputStream *stream,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_ALL
void g_output_stream_flush_async (GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_flush_finish (GOutputStream *stream,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_ALL
void g_output_stream_close_async (GOutputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_close_finish (GOutputStream *stream,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_is_closed (GOutputStream *stream);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_is_closing (GOutputStream *stream);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_has_pending (GOutputStream *stream);
GLIB_AVAILABLE_IN_ALL
gboolean g_output_stream_set_pending (GOutputStream *stream,
GError **error);
GLIB_AVAILABLE_IN_ALL
void g_output_stream_clear_pending (GOutputStream *stream);
G_END_DECLS
#endif /* __G_OUTPUT_STREAM_H__ */
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